Target is grey. Background is grey. enemies are grey. Target is the same shape as the enemies. ship is almost uncontrollable. 15 points i can live without.
Carefully study the movement of the balls. Strategically position the shot. Repeat times x amount. Realise that keeping the cursor over "Play" and keep clicking endlessly gives the same result. Take points. Forget.
Nothing beats that trial and error approach. Who needs playability when you can settle for testing every possible shot combination until something behaves normally. And still no points for the fluked hole in one.